Hematological Changes in Nile Tilapia (Oreochromis niloticus), and Characteristic Growth Environment

BUCUR, Cecilia; RADU, Daniela; GHEORGHE, Corina; COSTACHE, Mioara
January 2013
Bulletin of the University of Agricultural Sciences & Veterinary;2013, Vol. 70 Issue 1, p144
Academic Journal
Paper includes results of investigations and hematological studies, conducted on brood stock and offspring of Nile tilapia (Oreochromis niloticus) grown at SCDP Nucet-Dâmboviţa. Research aimed hematological parameters and the performance of growing for parents and two generations of fry by natural reproduction rearing in different conditions: group I -fingerlings reared in natural environment (age about 80 days), and group II -fingerlings reared in aquariums at 20°C for 120 days. Growth of Nile tilapia in the natural environment was exclusively accomplished on natural feed and in the aquarium on the basis of the use of a particular feed (Aller Tilapia XS, 33% PC). Blood investigations consisted in determining the level of the main parameters (Hb, RBCs) and indexderived erythrocytes (MCH), correlated with leukocytes. Results obtained will be use the achievement of a database, to detect possible changes in the physiological state determined by growing conditions, food, age and stress for intervention and timely removal of disturbances appear in their growth environment.


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